1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data
4 *
5 * Copyright (c) 2016 Takashi Sakamoto
6 */
7
8#undef TRACE_SYSTEM
9#define TRACE_SYSTEM		snd_firewire_lib
10
11#if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
12#define _AMDTP_STREAM_TRACE_H
13
14#include <linux/tracepoint.h>
15
16TRACE_EVENT(amdtp_packet,
17	TP_PROTO(const struct amdtp_stream *s, u32 cycles, const __be32 *cip_header, unsigned int payload_length, unsigned int data_blocks, unsigned int data_block_counter, unsigned int packet_index, unsigned int index),
18	TP_ARGS(s, cycles, cip_header, payload_length, data_blocks, data_block_counter, packet_index, index),
19	TP_STRUCT__entry(
20		__field(unsigned int, second)
21		__field(unsigned int, cycle)
22		__field(int, channel)
23		__field(int, src)
24		__field(int, dest)
25		__dynamic_array(u8, cip_header, cip_header ? 8 : 0)
26		__field(unsigned int, payload_quadlets)
27		__field(unsigned int, data_blocks)
28		__field(unsigned int, data_block_counter)
29		__field(unsigned int, packet_index)
30		__field(unsigned int, irq)
31		__field(unsigned int, index)
32	),
33	TP_fast_assign(
34		__entry->second = cycles / CYCLES_PER_SECOND;
35		__entry->cycle = cycles % CYCLES_PER_SECOND;
36		__entry->channel = s->context->channel;
37		if (s->direction == AMDTP_IN_STREAM) {
38			__entry->src = fw_parent_device(s->unit)->node_id;
39			__entry->dest = fw_parent_device(s->unit)->card->node_id;
40		} else {
41			__entry->src = fw_parent_device(s->unit)->card->node_id;
42			__entry->dest = fw_parent_device(s->unit)->node_id;
43		}
44		if (cip_header) {
45			memcpy(__get_dynamic_array(cip_header), cip_header,
46			       __get_dynamic_array_len(cip_header));
47		}
48		__entry->payload_quadlets = payload_length / sizeof(__be32);
49		__entry->data_blocks = data_blocks;
50		__entry->data_block_counter = data_block_counter,
51		__entry->packet_index = packet_index;
52		__entry->irq = !!in_interrupt();
53		__entry->index = index;
54	),
55	TP_printk(
56		"%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
57		__entry->second,
58		__entry->cycle,
59		__entry->src,
60		__entry->dest,
61		__entry->channel,
62		__entry->payload_quadlets,
63		__entry->data_blocks,
64		__entry->data_block_counter,
65		__entry->packet_index,
66		__entry->irq,
67		__entry->index,
68		__print_array(__get_dynamic_array(cip_header),
69			      __get_dynamic_array_len(cip_header), 1))
70);
71
72#endif
73
74#undef TRACE_INCLUDE_PATH
75#define TRACE_INCLUDE_PATH	.
76#undef TRACE_INCLUDE_FILE
77#define TRACE_INCLUDE_FILE	amdtp-stream-trace
78#include <trace/define_trace.h>
79